Finding the Third Proportional to 501,208 and 724,158

Step by Step Solution

1. Step 1: Write the proportion equation
   501,208 : 724,158 = 724,158 : x
2. Step 2: Convert to fraction form
   501,208/724,158 = 724,158/x
3. Step 3: Cross multiply
   501,208x = 724,158 × 724,158
4. Step 4: Simplify right side
   501,208x = 524,404,808,964
5. Step 5: Solve for x
   x = 524,404,808,964/501,208
6. Step 6: Final answer
   x = 1,046,281.80